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SubjectRe: [PATCH 09/16] sparc64: use the generic get_user_pages_fast code
On Wed, Jul 24, 2019 at 11:13 PM David Miller <davem@davemloft.net> wrote:
>
> From: Anatoly Pugachev <matorola@gmail.com>
> Date: Wed, 24 Jul 2019 22:32:17 +0300
>
> > the first test where it was discovered was done on my test LDOM named
> > ttip, hardware (hypervisor) is T5-2 server, running under Solaris 11.4
> > OS.
> > ttip LDOM is debian sparc64 unstable , so with almost all the latest
> > software (gcc 8.3.0, binutils 2.32.51.20190707-1, debian GLIBC
> > 2.28-10, etc..)
> >
> > For another test, i also installed LDOM with oracle sparc linux
> > https://oss.oracle.com/projects/linux-sparc/ , but I've to install a
> > more fresh version of gcc on it first, since system installed gcc 4.4
> > is too old for a git kernel (linux-2.6/Documentation/Changes lists gcc
> > 4.6 as a minimal version), so I choose to install gcc-7.4.0 to /opt/
> > (leaving system installed gcc 4.4 under /usr/bin). Compiled and
> > installed git kernel version, i.e. last tag 5.3.0-rc1 and ran the
> > test. Kernel still produced oops.
>
> I suspect, therefore, that we have a miscompile.
>
> Please put your unstripped vmlinux image somewhere so I can take a closer
> look.

David,

http://u164.east.ru/kernel/

there's vmlinuz-5.3.0-rc1 kernel and archive 5.3.0-rc1-modules.tar.gz
of /lib/modules/5.3.0-rc1/
this is from oracle sparclinux LDOM , compiled with 7.4.0 gcc

Thank you.

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